6. Making no exceptions or deviations in one's support of the organization and candidates of a political party; as, a straight republican; a straight Democrat; also, containing the names of all the regularly nominated candidates of a party and no others; as, a straight ballot. Straight arch, a form of arch in which the intrados is straight, but with its joints drawn radially, as in a common arch. A straight face, one giving no evidence of merriment or other emotion. A straight line. That which lies evenly between its extremepoints. . The shortest line between two points. . A line which has the same direction through its whole length. . Straight-wayvalve, a valve which, when opened w
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idely, affords a straight passageway, as for water.

Origin: OE. Streit, properly p.p. Of strecchen to stretch, AS. Streht, p.p. Of streccan to stretch, to extend. See Stretch.